Question

Please answer its do in 2 hours

Answer 1

Answer:

both are reciprocals

Step-by-step explanation:

15.

$\frac{5}{8}\cdot \frac{16}{20}\\\\=\frac{5}{8}\cdot\frac{8}{5}=1$

so they are reciprocals

17.

$\frac{2}{3}\cdot\frac{12}{18}\\\\=\frac{2}{3}\cdot \frac{3}{2}=1$

so they are reciprocals